17,443 research outputs found

    The Metadata Education and Research Information Commons (MERIC): A Collaborative Teaching and Research Initiative

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    The networked environment forced a sea change in Library and Information Science (LIS) education. Most LIS programs offer a mixed-mode of instruction that integrates online learning materials with more traditional classroom pedagogical methods and faculty are now responsible for developing content and digital learning objects. The teaching commons in a networked environment is one way to share, modify and repurpose learning objects while reducing the costs to educational institutions of developing course materials totally inhouse. It also provides a venue for sharing ideas, practices, and expertise in order to provide the best learning experience for students. Because metadata education has been impacted by rapid changes and metadata research is interdisciplinary and diffuse, the Metadata Education and Research Information Commons (MERIC) initiative aims to provide a virtual environment for sharing and collaboration within the extensive metadata community. This paper describes the development of MERIC from its origin as a simple clearinghouse proof-of-concept project to a service-oriented teaching and research commons prototype. The problems of enablers and barriers to participation and collaboration are discussed and the need for specific community building research is cited as critical for the success of MERIC within a broad metadata community

    Addressing Cultural Pluralism from an Evangelical Christian Perspective

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    The complex issues surrounding cultural pluralism are rapidly turning the public square into a battlefield that divides our country. As Charles Haynes summarized, “At issue for this nation, as for much of the world, is the simple but profound question that runs through modern experience: How will we live with our deepest differences?” (Haynes, 1994). At a time when many citizens of our diverse nation have become disillusioned with the motto e pluribus unum, the Christian higher education community deals with issues involving race, ethnicity, and gender through a variety of responses ranging from isolationism to unqualified inclusion. Evangelical institutions of higher learning are not new to the discussion of multiculturalism. They have rather a rich history of commitment to living out Christ’s commandment to love one’s neighbor as oneself (Mk 12:31) regarding each other through the unity of faith in Christ (Gal 3:28). This paper addresses the historical context for understanding cultural pluralism together with the scriptural and religious imperatives for engaging Christian and secular audiences on this issue. It identifies several of the issues surrounding cultural pluralism faced by evangelicals today, while also developing criteria for celebrating and confronting pluralism. Finally, it articulates strategies for pursuing common ground in the public arena and discusses implications for Christian higher education in addressing cultural pluralism within and beyond the college classroom

    High-speed measurement of rotational anisotropy nonlinear optical harmonic generation using position sensitive detection

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    We present a method of performing high-speed rotational anisotropy nonlinear optical harmonic generation experiments at rotational frequencies of several hertz by projecting the harmonic light reflected at different angles from a sample onto a stationary position sensitive detector. The high rotational speed of the technique, 10310^3 to 10410^4 times larger than existing methods, permits precise measurements of the crystallographic and electronic symmetries of samples by averaging over low frequency laser power, beam pointing, and pulse width fluctuations. We demonstrate the sensitivity of our technique by resolving the bulk four-fold rotational symmetry of GaAs about its [001] axis using second harmonic generation

    Dimensional crossover in a layered ferromagnet detected by spin correlation driven distortions

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    Magneto-elastic distortions are commonly detected across magnetic long-range ordering (LRO) transitions. In principle, they are also induced by the magnetic short-range ordering (SRO) that precedes a LRO transition, which contains information about short-range correlations and energetics that are essential for understanding how LRO is established. However these distortions are difficult to resolve because the associated atomic displacements are exceedingly small and do not break symmetry. Here we demonstrate high-multipole nonlinear optical polarimetry as a sensitive and mode selective probe of SRO induced distortions using CrSiTe3_3 as a testbed. This compound is composed of weakly bonded sheets of nearly isotropic ferromagnetically interacting spins that, in the Heisenberg limit, would individually be impeded from LRO by the Mermin-Wagner theorem. Our results show that CrSiTe3_3 evades this law via a two-step crossover from two- to three-dimensional magnetic SRO, manifested through two successive and previously undetected totally symmetric distortions above its Curie temperature.Comment: 17 pages main text, 4 figures, 12 pages supplementary informatio

    A smooth entropy approach to quantum hypothesis testing and the classical capacity of quantum channels

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    We use the smooth entropy approach to treat the problems of binary quantum hypothesis testing and the transmission of classical information through a quantum channel. We provide lower and upper bounds on the optimal type II error of quantum hypothesis testing in terms of the smooth max-relative entropy of the two states representing the two hypotheses. Using then a relative entropy version of the Quantum Asymptotic Equipartition Property (QAEP), we can recover the strong converse rate of the i.i.d. hypothesis testing problem in the asymptotics. On the other hand, combining Stein's lemma with our bounds, we obtain a stronger (\ep-independent) version of the relative entropy-QAEP. Similarly, we provide bounds on the one-shot \ep-error classical capacity of a quantum channel in terms of a smooth max-relative entropy variant of its Holevo capacity. Using these bounds and the \ep-independent version of the relative entropy-QAEP, we can recover both the Holevo-Schumacher-Westmoreland theorem about the optimal direct rate of a memoryless quantum channel with product state encoding, as well as its strong converse counterpart.Comment: v4: Title changed, improved bounds, both direct and strong converse rates are covered, a new Discussion section added. 20 page

    Against Populist Isolationism: New Asian Regionalism and Global South Powers in International Economic Law

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    This Article provides the most up-to-date examination of the Regional Comprehensive Economic Partnership (RCEP), which is poised to become the world’s largest free trade agreement (FTA). It argues that the 16-country mega-FTA will galvanize the paradigm shift in Asian regionalism and build a normative foundation for the Global South in international economic law. Based on intertwined theoretical and substantive claims, this Article opens an inquiry into the assertive legalism of developing nations in the new regional economic order. It further manifests the pivotal force of emerging economies against populist isolationism in the Trump era that undermines the neoliberal foundation of global trade liberalization. By analyzing the converging policies of the Association of Southeast Asian Nations (ASEAN), China and India, the Article first demonstrates the status of the RCEP in Asian powers’ contemporary FTA practice. In light of the ASEAN Economic Community, the new 11-member Trans-Pacific Partnership and EU FTAs with Singapore and Vietnam, caution should be given to the utilization of tariff preferences, services liberalization and investorstate dispute settlement. Finally, the Article assesses the RCEP’s systemic impact on the legal fragmentation due to jurisdictional conflicts under trade and investment agreements. The consolidation of divergent trade rules and the pro-development operative mechanism will arguably fortify the RCEP as a pathway to the Free Trade Area of the Asia-Pacific region and reinvigorate the multilateral trading system

    Instrumentation of a high-sensitivity microwave vector detection system for low-temperature applications

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    We present the design and the circuit details of a high-sensitivity microwave vector detection system, which is aiming for studying the low-dimensional electron system embedded in the slots of a coplanar waveguide at low temperatures. The coplanar waveguide sample is placed inside a phase-locked loop; the phase change of the sample may cause a corresponding change in the operation frequency, which can be measured precisely. We also employ a double-pulse modulation on the microwave signals, which comprises a fast pulse modulation for gated averaging and a slow pulse modulation for lock-in detection. In measurements on real samples at low temperatures, this system provides much better resolutions in both amplitude and phase than most of the conventional vector analyzers at power levels below -65 dBm.Comment: 7 pages, 11 figures, 1 table, lette

    Reassessing The Trade–Development Nexus In International Economic Law: The Paradigm Shift In Asia-Pacific Regionalism

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    Abstract: This article reassesses the trade–development nexus in international economic law and provides the first examination of the approach to realize the United Nations Sustainable Development Goals through regional integration. It argues that the emerging New Regional Economic Order in the multipolar system will fortify the coalition of developing countries in structuring the legalization of pro-development trade policy. For decades, the misconceived concept of special and differential treatment has ignored the reality of the North–South Grand Bargain and disconnected the World Trade Organization from its development objectives. The development crisis of the Doha Round requires a feasible “Plan B” for the Global South. By making interrelated theoretical and substantive claims, this article opens an inquiry into the assertive role of developing countries that prompted the paradigm shift in Asia–Pacific regionalism. The realist and dependency theories are utilized to decipher the geopolitical complexity of the rapidly evolving South–South free trade agreements. As a timely case study, the analysis is based on the creation of the Association of Southeast Asian Nations Economic Community and its implications for economic powers such as the United States and China. It provides an account of the bloc’s services trade-oriented development policy under the balance of power strategy. Finally, this article offers regulatory reform proposals on how to integrate development assistance and remove trade barriers. Transnational legal harmonization and human rights protection in line with international labor principles are also indispensable. Such reforms will strengthen the best practices for global regionalism and reinvigorate the trade–development connection in the multilateral trading system
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